import Vue from 'vue'
import VueRouter from 'vue-router'
// import Login from '../components/Login.vue'
import Login from '../components/Login.vue'

import Home from '../components/Home.vue'

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  { path: '/home', component: Home }

]

const router = new VueRouter({
  routes
})

// 挂载路由导航守卫,   to表示将要访问的路径，from表示从哪里来，next是下一个要做的操作
router.beforeEach((to, from, next) => {
  if (to.path === '/login') { return next() }

  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')

  if (!tokenStr) { return next('/login') }

  next()
})

export default router
